Process Control and Instrumentation Routh test Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Fidielity Speed of response Static characteristics Reproducibility Fidielity Speed of response Static characteristics ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The level of a liquid under pressure can be determined using Differential pressure manometer Bubbler system Air-trap system Diaphragm box system Differential pressure manometer Bubbler system Air-trap system Diaphragm box system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped Unstable None of these Stable Critically damped Unstable None of these Stable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Absolute Atmospheric Vacuum Gage Absolute Atmospheric Vacuum Gage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
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